Tough dependable tubular for training or racing tyre type dimensions weight min max psi imperial etrto tubular 28in x 21mm 21 622 300310g 100130 tubular 28in x 23mm 23 622 300310g 100130 tubular 28in x 25mm 25 622 300310g 100130 this is a tubular tyre will only fit on a tubular compatible rim this tubular does not have a removable valve core puncture resistance none fitted int